Skull Bonanza

Skull Bonanza

The Skull Bonanza online slot from SYNOT Games takes players into the middle of the Day of the Dead celebration. You’ll have a really in-depth free spins mode to win from in this title along with lots of ways to get paid from the regular pay table.

Rating: 90% | Made By SYNOT Games | Reviewed On

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An Introduction to the Skull Bonanza Slot

We love when different holidays and festivals from a variety of cultures are represented in the online slot world. SYNOT Games slots are known for doing just that, and their Skull Bonanza video slot is yet another example. This time, players are taken into the middle of the Day of the Dead celebration in Mexico.

Skull Bonanza Main Screen
Skull Bonanza Main Screen

The aesthetic appeal of this celebration is what most people think of. However, the gameplay hasn’t been ignored either.

From a visual standpoint, this is essentially “sugar skull central” to a large degree. The skull motif is very heavy in the holiday that this game is based off of. Therefore, it makes complete and total sense that we would see a lot of them on the game board and in the background. However, it doesn’t feel forced or overdone in the least bit. Instead, we really like how they handled the concept’s presentation and made it look and feel so important.

When it comes to gameplay, SYNOT slots have a habit of being straightforward. However, they still bring a lot of depth and quality. Instead, what they seem to try to avoid is being complicated just for the sake of being complicated. In this slot, you get a few different ways to get extra payouts during the regular game mode. Additionally, it has a free spins bonus round that offers up a more concentrated burst of value. This is achieved through a lot of “add-on features” that make free spins worth more than their regular cousins.

Betting and Layout

The format used in this game is a bit of a throwback. We don’t see modern slots with this particular layout very often, but it’s still easy to get with and play. Here’s an overview of what you can expect when you sit down to enjoy this title.

  • The grid used in this game always stays the same and doesn’t change due to any mechanics. It offers five vertical reels with three horizontal rows of action.
  • A total of nine paylines is used in this title. However, the betting is based on more even numbers, so you don’t end up with the atypical bet size increments frequently associated with this specific layout.
  • Those lines only pay from left to right. Additionally, SYNOT Games does not allow you to increase or decrease the number either.
  • The lowest bet size available is €0.12 per turn. While we admit that’s a strange size, virtually all of the rest of the bet sizes are more even increments.
  • For example, the available wager sizes go all the way up to €20 per spin.

Other Information

Each and every payout listed in this game is done so as a multiple of the total bet size. That makes it clear how much you can stand to win with different combinations. Additionally, it avoids the issues that could come up trying to do the mental math to figure out how many coins you’d be winning with different combinations across nine paylines.

Additionally, you’ll find that the volatility of this title is above-average. Another game with a related Mexican theme and this level of volatility is the Finnegans Banditos slot. The free spins bonus feature with all of its extras is a big part of this. However, the regular pay table is also fairly top-heavy. Overall, your hit-rate in general will be about average as well.

Gameplay and Features for the Skull Bonanza Video Slot

We absolutely love how the gameplay was handled for the Skull Bonanza online slot. A great mix of different types of features and game mechanics are included and used in this game. In what follows, we’ll break down what you can expect and what you need to know before getting started.

Skull Bonanza Special Symbols
Skull Bonanza Special Symbols

Wild Skull Symbols

Players can find five different skull symbols on the game board. They all look very similar, and their main differences are their accent colors and the expressions they are making. While the variety is cool, they are all the same symbol for our purposes. In this game, they are also the wild symbols and make an appearance on each of the five reels.

One of the reasons these wilds are so important is that they offer up some good prizes on their own. Here are the payouts you can earn with these decorated skulls:

  • Five of a Kind – 200x
  • Four of a Kind – 25x
  • Three of a Kind – 5x
  • Two of a Kind – 1x

As is the case with nearly all slots (but not quite every one of them), the wild symbols do not substitute for the scatters. If you like these skulls and the overall aesthetic, other Day of the Dead slots have a similar motif.

Massive Scattered Shrine Payouts

The skull shrine is the scatter symbol. However, it also the best-paying symbol in the Skull Bonanza video slot by a long shot. The five of a kind win for this shrine symbol alone is responsible for a lot of the volatility in this title as a whole. Here’s an overview of the wins available for this scatter:

  • Five of a Kind – 1,000x
  • Four of a Kind – 50x
  • Three of a Kind – 5x

You’ll notice that the four of a kind and three of a kind wins are disproportionately smaller. The reason for that is that you can win with those no matter which reels they appear on. Additionally, that makes those wins disproportionately likely to happen in this game since the scatters pay no matter where they appear.

We also want to point out that these wins, like all payouts in this game, are multiplied by your total wager.

Skull Bonanza Free Spins
Skull Bonanza Free Spins

Skull Bonanza Free Spins

During the Skull Bonanza free spins mode, you’ll have some serious ways to get more value from the wild skulls. However, first things first: You get free spins with three or more scatters anywhere on the board. If you get three or more, no matter how many, you are granted 10 free turns to start off the feature.

However, each individual skull that lands on the board grants an extra goodie to help you with your chances to win. The prize they offer depends on which color is shown:

  • Green Skull – One extra free spin
  • Blue Skull – Two extra free spins
  • Purple Skull – Three extra free spins
  • Red Skull – 2x win multiplier
  • Orange Skull – 3x win multiplier

You’ll notice that the “cool” colors give additionally free spins while the “hot” colors handle multipliers. This actually reminds us of some of the color-based indicators from the Chilli Xtreme game as well.

How to Win at Skull Bonanza

When you play this game, the main thing to keep in mind is that the volatility is quite a bit above-average. This will help you to remember to expect quite a bit of swings. However, if this is a bit much for you, then a betting adjustment might be a good idea.

The way this adjustment can work as follows. Imagine you drop your bet size by about 25 percent or so. This will lower the volatility with respect to the bet size you started with. Additionally, it’ll take some of the edge off of the swings and give you a more balanced play style.

Payout Structure for the Skull Bonanza Online Slot

The woman on the purple background with the roses in her hair will earn you 125x for five of a kind combinations. Additionally, the man in black with gold trim is worth 100x for five. However, you can win with just two of a kind with these symbols as well. Each other regular symbol needs a minimum of three.

Skull Bonanza Payouts
Skull Bonanza Payouts

This includes the basket of apples that yields 75x for five or the set of orange flowers that pays out 50x for five of a kind on a line. Additionally, five of the bottles of tequila earns you 25x.

To wrap up the bottom of the pay table, players can earn 10x for five of the orange A, 5x for five of the red K or purple Q, and 4x for five of the blue J or green 10 symbols.


This game is an excellent entry into SYNOT Games’ overall selection of slots because of its awesome graphics level and action-based gameplay experience. The pay rate of the selection of features in this title is large enough that video slot fans will definitely not get bored. The overall Day of the Dead theme put on display as the centerpiece for this slot is a central foundation for the gameplay style as well, which we really enjoy.

If you’re looking for a title with a great aesthetic and solid gameplay values, we strongly recommend Skull Bonanza. It’s pretty much got everything it needs to appeal to a really wide audience.


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What is the Return to Player (RTP) for Skull Bonanza?

The Skull Bonanza RTP is 95.13%. An RTP of 95.13% puts Skull Bonanza among slots with a below-average Return to Player. An Average RTP is at least 96%, and a high RTP at least 98%.